<template>
    <div class="wrapper">
        <swiper :options="swiperOption" v-if="showSwiper">
            <!-- slides -->
            <swiper-slide v-for="item of list" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" />
            </swiper-slide>
            <!-- Optional controls -->
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  // 接收内容
  props: {
      list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true,
        autoplay: 3000
      }
    }
  },
  computed: {
      showSwiper () {
          return this.list.length
      }
  }
}
</script>

<style lang="stylus" scoped>
    .wrapper>>>.swiper-pagination-bullet-active
        background #fff !important
    .wrapper
        overflow hidden
        width 100%
        height 0
        padding-bottom 31.25% // 设置height为0，padding-bottom值为图片宽高比防止下面区域抖动
        background #eee
        .swiper-img
            width 100%
</style>
